CREATE function [dbo].[f_getNum](@title nvarchar(3),@date nvarchar(8))
returns nvarchar(50)
as
begin
declare @str nvarchar(50)
declare @tempDate nvarchar(8)
declare @num nvarchar(5)
declare @temp nvarchar(50)
set @tempDate=''
set @num=''
declare @currentDate datetime
select @currentDate=max(create_date) from b
select @temp=max(num) from b where create_date=@currentDate if(@temp<>'') begin set @tempDate=substring(@temp,4,8) if @tempDate=@date begin --当天 set @num=right('00000'+cast((cast(right(@temp,5) as int)+1) as nvarchar(20)),5) set @str=@title+@tempDate+@num end else begin --非当天 set @str=@title+@date+'00001' end end else begin set @str=@title+@date+'00001' end return @str end
returns nvarchar(50)
as
begin
declare @str nvarchar(50)
declare @tempDate nvarchar(8)
declare @num nvarchar(5)
declare @temp nvarchar(50)
set @tempDate=''
set @num=''
declare @currentDate datetime
select @currentDate=max(create_date) from b
select @temp=max(num) from b where create_date=@currentDate if(@temp<>'') begin set @tempDate=substring(@temp,4,8) if @tempDate=@date begin --当天 set @num=right('00000'+cast((cast(right(@temp,5) as int)+1) as nvarchar(20)),5) set @str=@title+@tempDate+@num end else begin --非当天 set @str=@title+@date+'00001' end end else begin set @str=@title+@date+'00001' end return @str end
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